Thursday 11 March 2021

Q. An allosteric inhibitor of an enzyme usually





... Answer is B). participates in feedback regulation

Allosteric enzymes are those that have more than one activation center and to which other substances, called allosteric regulators, bind. Allosteric regulators can be allosteric inhibitors or allosteric activators. The interaction between an allosteric enzyme and the allosteric inhibitor disallows the binding of the substrate to the enzyme. The interacti├│n between the allosteric enzyme and the allosteric activator allows the binding of the substrate to the enzyme and sometimes increases the affinity of the enzyme for the substrate. This regulatory phenomenon of the enzyme activity is called allosterism.


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